Commission Delegated Regulation (EU) No 1291/2014 of 16 July 2014 on the conditions for classification, without testing, of wood-based panels under EN 13986 and solid wood panelling and cladding under EN 14915 with regard to their fire protection ability, when used for wall and ceiling covering Text with EEA relevance
Data as of 2026-07-04 · Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗
Wood-based panels covered by the harmonised standard EN 13986 and solid wood panelling and cladding covered by the harmonised standard EN 14915 which fulfil the conditions set out in the Annex shall be deemed to satisfy the classes of performance indicated in the Annex without testing, when they are used for wall and ceiling covering.
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .
ANNEX Product ( 1 ) EN product standard Product detail ( 2 ) Minimum mean density (kg/m 3 ) Minimum thickness (mm) K Class ( 3 ) Hardboard EN 13986 With and without tongue and groove ( 5 ) 800 9 K 2 10 ( 4 ) OSB EN 13986 With and without tongue and groove ( 6 ) 600 10 K 2 10 ( 4 ) Particleboard EN 13986 With tongue and groove ( 7 ) 600 10 K 2 10 ( 4 ) Particleboard EN 13986 With and without tongue and groove ( 6 ) 600 12 K 2 10 ( 4 ) Plywood EN 13986 With and without tongue and groove ( 6 ) 450 12 K 2 10 ( 4 ) Solid wood panels EN 13986 With and without tongue and groove ( 6 ) 450 12 K 2 10 ( 4 ) Particleboard EN 13986 With tongue and groove ( 8 ) 600 25 K 2 30 OSB EN 13986 With tongue and groove ( 8 ) 600 30 K 2 30 Plywood EN 13986 With tongue and groove ( 8 ) 450 26 K 2 30 Solid wood panels EN 13986 With tongue and groove ( 8 ) 450 26 K 2 30 Solid wood panels EN 13986 With tongue and groove ( 9 ) 450 53 K 2 60 Solid wood panelling and cladding EN 14915 With tongue and groove ( 10 ) 450 15 K 2 10 ( 4 ) Solid wood panelling and cladding EN 14915 With tongue and groove ( 10 ) 450 27 K 2 30 Solid wood panelling and cladding EN 14915 With tongue and groove ( 11 ) 450 2 × 27 ( 12 ) K 2 60 ( 1 ) Mounted directly on any substrate without an air gap. ( 2 ) Joints with square edges or tongue and groove profile and with the same thickness as the product and without gaps. ( 3 ) Class as set out in Decision 2000/367/EC. ( 4 ) K 1 10 for substrates ≥ 300 kg/m 3 ( 5 ) Brad length minimum 40 mm and spacing maximum 100 mm ( 6 ) Screw length minimum 30 mm and spacing maximum 200 mm ( 7 ) Screw length minimum 30 mm and spacing maximum 150 mm ( 8 ) Screw length minimum 50 mm and spacing maximum 200 mm ( 9 ) Screw length minimum 75 mm and spacing maximum 200 mm ( 10 ) Nail length minimum 60 mm and spacing maximum 600 mm ( 11 ) Nail length minimum 50 mm (in each layer) and spacing maximum 600 mm ( 12 ) The two layers are mounted with the longitudinal direction of the layers perpendicular to each other.
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